Mambong was a federal constituency in Sarawak, Malaysia, that was represented in the Dewan Rakyat from 1999 to 2018.

The federal constituency was created in the 1996 redistribution and was mandated to return a single member to the Dewan Rakyat under the first past the post voting system.

It was abolished in 2016 when it was redistributed constituency "Federal Government Gazette - Notice of Contested Election, Parliament for the State of Sarawak [P.U.

Attorney General's Chambers of Malaysia.

Archived from the original (PDF) on 30 September 2018.